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coverage: Avoid ICE when coverage_cx is unexpectedly unavailable

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This commit is contained in:
Zalathar 2024-10-31 21:12:15 +11:00
parent 75eff9a574
commit 8dddd1ae60
3 changed files with 12 additions and 2 deletions
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6
compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs
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@ -54,7 +54,11 @@ pub(crate) fn finalize(cx: &CodegenCx<'_, '_>) {
add_unused_functions(cx);
}
let function_coverage_map = cx.coverage_cx().take_function_coverage_map();
// FIXME(#132395): Can this be none even when coverage is enabled?
let function_coverage_map = match cx.coverage_cx {
Some(ref cx) => cx.take_function_coverage_map(),
None => return,
};
if function_coverage_map.is_empty() {
// This module has no functions with coverage instrumentation
return;